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richterite

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Wiktionary英語版

出典：Wiktionary

richterite

出典:『Wiktionary』 (2025/12/11 22:31 UTC 版)

語源

Named in 1865 by Johann Friedrich August Breithaupt in honour of Hieronymous Theodor Richter (1824-1898), professor of chemistry at Freiberg University of Mining and Technology and the co-discoverer of indium.

Richter + -ite

名詞

richterite (plural richterites)

  1. (mineralogy) A basic silicate mineral of sodium, potassium, magnesium, manganese, and calcium belonging to the amphibole group

派生語

  • potassic-richterite
  • richteritic

Further reading

ウィキペディア英語版

出典：Wikipedia

Richterite

出典:『Wikipedia』 (2011/05/21 04:17 UTC 版)

英語による解説

ウィキペディア英語版からの引用
引用

Richterite is a sodium calcium magnesium silicate mineral belonging to the amphibole group. If iron replaces the magnesium within the structure of the mineral, it is called ferrorichterite; if fluorine replaces the hydroxyl, it is called fluororichterite. Richterite crystals are long and prismatic, or prismatic to fibrous aggregates, or rock-bound crystals. Colors of richterite range from brown, grayish-brown, yellow, brownish- to rose-red, or pale to dark green. Richterite occurs in thermally metamorphosed limestones in contact metamorphic zones. It also occurs as a hydrothermal product in mafic igneous rocks, and in manganese-rish ore deposits. Localities include Mont-Saint-Hilaire, Quebec, and Wilberforce and Tory Hill, Ontario, Canada; Långban and Pajsberg, Sweden; West Kimberley, Western Australia; Sanka, Myanmar; and, in the US, at Iron Hill, Colorado; Leucite Hills, Wyoming; and Libby, Montana. The mineral was named in 1865 for the German mineralogist Theodore Richter.

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